00290nam a2200121Ia 45000030006000000080041000060400015000471000016000622450052000782600009001305460012001390050017001510STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWhite, E.H.  aChemical Background for the biological sciences  c1964  aEnglish20220125170330.0